DreamLine Butterfly 57 1/2 - 59 in. W x 58 in. H Sliding Bi-Fold Tub Door in Chrome, SHDR-4558581-01 Model Size: 57 1/2 - 59 in. W x 58 in. H; Walk-in Opening: 46 1/8 in.; Hardware Finish: Chrome Configuration Bi-Fold Tub Door (4 panels); Bi-Fold glass design is ideal for full access to the tub space Anodized aluminum wall profiles allow up to 3/4 in. adjustment per side for width or out-of-plumb (uneven walls) 1/4 in. (6 mm) thick ANSI certified clear tempered glass; Reversible for a right or left door opening to fit your specific layout IMPORTANT! All measurements should be taken only AFTER walls are finished (tile, back walls, etc.) 57-1/2 to 59 in. W x 58 in. H; Chrome finish hardware. Frameless glass design. Space-saving double panel bi-fold tub door Anodized aluminum wall profiles allow up to 3/4 in. out-of-plumb adjustment each side. Reversible for right or left door opening 1/4 in. (6mm) thick ANSI certified clear tempered glass. Door walk-in: 46 in.; Stationary panel(s): 33-1/8 in. and 24-3/8 in. Professional installation recommended. Limited lifetime manufacturer warranty Tub is not included; IMPORTANT! All measurements should be taken only AFTER walls are finished (tile, back walls, etc.)